Sharps bin



FIG. 1 is a front view of the present design for a sharps bin;

FIG. 2 is a back view;

FIG. 3 is a left side view;

FIG. 4 is a right side view;

FIG. 5 is a bottom view; and,

FIG. 6 is a top view thereof.

The broken lines show portions of the sharps bin that form no part of the claimed design. 

CLAIM The ornamental design for a sharps bin, as shown and described. 